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authorNicholas Piggin <npiggin@gmail.com>2024-06-25 14:42:44 +0300
committerTejun Heo <tj@kernel.org>2024-06-25 19:55:16 +0300
commit18e24deb1cc92f2068ce7434a94233741fbd7771 (patch)
treeeafb4ff843c01aefb3abb09b2fc518e4d1d3063e /kernel/workqueue.c
parenta071b043ab13ae1f5d12ba6f267936feb800dff8 (diff)
downloadlinux-18e24deb1cc92f2068ce7434a94233741fbd7771.tar.xz
workqueue: wq_watchdog_touch is always called with valid CPU
Warn in the case it is called with cpu == -1. This does not appear to happen anywhere. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index adf1893b161e..b032772bd144 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -7526,6 +7526,8 @@ notrace void wq_watchdog_touch(int cpu)
{
if (cpu >= 0)
per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;
+ else
+ WARN_ONCE(1, "%s should be called with valid CPU", __func__);
wq_watchdog_touched = jiffies;
}